railway RRB JE (CBT I + CBT II) Mock Test 2024 Electronic Devices Carriers in Semiconductors

A particular sample of n-type Germanium has a resistivity of 0.1 Ωm at 300 K. Calculate the donor concentration. Take μn = 0.38 and q = 1.6 × 10-19 Coul.  

1
1.24 × 1020 m-3
2
1.64 × 1020 m-3
3
1.84 × 1020 m-3
4
1.44 × 1020 m-3
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